Equivalent resistance between the adjacent corners of a regular $$n$$-sided polygon of uniform wire of resistance $$R$$ would be :

A

$$\frac{(n-1)R}{n^2}$$

B

$$\frac{(n-1)R}{(2n-1)}$$

C

$$\frac{n^2 R}{n-1}$$

D

$$\frac{(n-1)R}{n}$$